A246149 Number of inequivalent n X 4 binary matrices, where equivalence means permutations of rows or columns or the symbol set.

1, 3, 14, 47, 173, 545, 1682, 4745, 12791, 32327, 78040, 179201, 395178, 837103, 1713036, 3391541, 6520796, 12195482, 22245864, 39638722, 69130894, 118164586, 198257980, 326885254, 530284337, 847202952, 1334313866, 2073348286, 3181127987, 4822620934, 7228875542

Offset: 0

Author

Alois P. Heinz, Aug 17 2014

Keywords

• nonn

Links

• Index to number of inequivalent matrices modulo permutation of rows and columns

Crossrefs

Column k=4 of A242093.